The history of Chinese democratic politics' promotion, which is more than 60 years, figures out that promoting the socialist democratic politics and expanding citizens' orderly political participation are in consistency. In the context of the rapid development of urbanization, the urban new-generation migrants' political participation has an important impact on Chinese democratic politics' promotion. Compared with the previous-generation migrants and the urban publics, the urban new-generation migrants have their particular feature in political participation. And they are able to become an emerging force, which will promote our socialist democratic politics. <<